2 * SPDX-License-Identifier: GPL-2.0+
6 #include <linux/linkage.h>
8 #ifdef CONFIG_MVEBU_BOOTROM_UARTBOOT
9 ENTRY(save_boot_params)
10 stmfd sp!, {r0 - r12, lr} /* @ save registers on stack */
11 ldr r12, =CONFIG_SPL_BOOTROM_SAVE
13 b save_boot_params_ret
14 ENDPROC(save_boot_params)
16 ENTRY(return_to_bootrom)
17 ldr r12, =CONFIG_SPL_BOOTROM_SAVE
19 mov r0, #0x0 /* @ return value: 0x0 NO_ERR */
20 ldmfd sp!, {r0 - r12, pc} /* @ restore regs and return */
21 ENDPROC(return_to_bootrom)
23 ENTRY(save_boot_params)
24 b save_boot_params_ret
25 ENDPROC(save_boot_params)
29 * cache_inv - invalidate Cache line
33 .type cache_inv, %function
38 mcr p15, 0, r0, c7, c6, 1
45 * flush_l1_v6 - l1 cache clean invalidate
49 .type flush_l1_v6, %function
54 mcr p15, 0, r0, c7, c10, 5 /* @ data memory barrier */
55 mcr p15, 0, r0, c7, c14, 1 /* @ clean & invalidate D line */
56 mcr p15, 0, r0, c7, c10, 4 /* @ data sync barrier */
63 * flush_l1_v7 - l1 cache clean invalidate
67 .type flush_l1_v7, %function
72 dmb /* @data memory barrier */
73 mcr p15, 0, r0, c7, c14, 1 /* @ clean & invalidate D line */
74 dsb /* @data sync barrier */